/*
 * File    : Handler.java
 * Created : 19-Jan-2004
 * By      : parg
 * 
 * Azureus - a Java Bittorrent client
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details ( see the LICENSE file ).
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package org.gudy.azureus2.core3.util.protocol.bc;

/**
 * @author parg
 *
 */

import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLConnection;
import java.net.URLStreamHandler;

import org.gudy.azureus2.core3.util.Debug;
import org.gudy.azureus2.core3.util.UrlUtils;

public class Handler extends URLStreamHandler {
    public URLConnection openConnection(URL u) {
        URL magnet_url;

        try {
            String str = UrlUtils.parseTextForMagnets(u.toExternalForm());

            if (str == null) {

                Debug.out("Failed to transform bc url '" + u + "'");

                return (null);
            } else {

                magnet_url = new URL(str);
            }
        } catch (Throwable e) {

            Debug.out("Failed to transform bc url '" + u + "'", e);

            return (null);
        }

        // System.out.println( "Transformed " + u + " -> " + magnet_url );

        try {
            return (magnet_url.openConnection());

        } catch (MalformedURLException e) {

            Debug.printStackTrace(e);

            return (null);

        } catch (IOException e) {

            Debug.printStackTrace(e);

            return (null);
        }
    }

}
